React Explained: JSX, Components, Virtual DOM & Diffing Algorithm

📰 Dev.to · Saravanan Lakshmanan

Learn the fundamentals of React, including JSX, components, virtual DOM, and diffing algorithm, to build fast and interactive user interfaces

beginner Published 13 Jul 2026

Action Steps

Learn JSX syntax and create a simple React component using JSX
Build a React application using functional components and hooks
Understand the concept of virtual DOM and how it optimizes rendering performance
Implement the diffing algorithm to efficiently update the DOM
Use React DevTools to inspect and debug React components

Who Needs to Know This

Frontend developers and designers can benefit from understanding React fundamentals to create efficient and scalable applications

Key Insight

💡 React's virtual DOM and diffing algorithm enable efficient rendering and updating of components, making it a popular choice for building scalable applications

Key Takeaways

Learn the fundamentals of React, including JSX, components, virtual DOM, and diffing algorithm, to build fast and interactive user interfaces

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Title: React Explained: JSX, Components, Virtual DOM & Diffing Algorithm

URL Source: https://dev.to/dev_saravanan_journey/react-explained-jsx-components-virtual-dom-diffing-algorithm-3fc7

Published Time: 2026-07-13T11:40:38Z

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React Explained: JSX, Components, Virtual DOM & Diffing Algorithm

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